You've collected the following information about Groot, Inc.: Profit margin = 4.31% Total asset turnover = 2.20 Total debt ratio .31 Payout ratio 16% a. What is the sustainable growth rate for the company? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What is the ROA? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) % a. Sustainable growth rate b. ROA %